Home / 39,986.16-55,181.34-22,998.84

Finding the Fourth Proportional to 39,986.16, 55,181.34 and 22,998.84

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Solution

The fourth proportional to 39,986.16, 55,181.34 and 22,998.84 is: 31,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.16 : 55,181.34 = 22,998.84 : x
  2. Step 2: Convert to fraction form
    39,986.16/55,181.34 = 22,998.84/x
  3. Step 3: Cross multiply
    39,986.16x = 55,181.34 × 22,998.84
  4. Step 4: Simplify right side
    39,986.16x = 1,269,106,809.65
  5. Step 5: Solve for x
    x = 1,269,106,809.65/39,986.16
  6. Step 6: Final answer
    x = 31,738.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.